The phrase "a distinct system in" is correct and usable in written English.
It can be used when describing a specific system that is separate or unique within a broader context or framework.
Example: "The research focused on a distinct system in the ecosystem that supports biodiversity."
Alternatives: "a unique system within" or "a separate system in".
All these have been concluded on the basis that there is a very distinct system in Hong Kong totally different from anything prevailing in mainland China.
Within Systemic Functional theory, Reference and Information in English are distinct systems in the textual metafunction.
I will comment on this 'integration' of terms from distinct systems in section Concluding remarks: the value of a scientific study of con/text.
It was noted above that the vertebrate skeleton comprises two separate and quite distinct systems in early vertebrates.
Scotland, which to most of Whitehall was once a mere region, has evolved from the land that proved too nervous to seize the chance of devolution in 1979, and is today increasingly autonomous with a distinct party system, in which outright separatists are all-conquering.
It is hardly imaginable that these bacteria evolved a distinct immune system in the short time elapsed since the loss of CASS.
She added that every country in the world had a distinct education system and any system in Wales needed to be workable.
Similar results were seen when the reporters were expressed in HEK293 cells and in a distinct in vitro system generated from HeLa cell lysates37 (Supplementary Fig. 1a c).
A distinct education system has developed in Wales.
Recently, an anatomically distinct clearing system in the brain was described, whereby a large proportion of subarachnoid CSF circulates through the brain parenchyma via the so-called paravascular route and is exchanged with the interstitial fluid.
